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參數(shù)資料
| 型號： | M24512-WBN5G |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | PROM |
| 英文描述： | 64K X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁數(shù)： | 19/24頁 |
| 文件大?。?/td> | 340K |
| 代理商： | M24512-WBN5G |
M24512
4/24
SUMMARY DESCRIPTION
These
I2C-compatible
electrically
erasable
programmable memory (EEPROM) devices are
organized as 64K x 8 bits.
Figure 2. Logic Diagram
Table 1. Signal Names
I2C uses a two wire serial interface, comprising a
bi-directional data line and a clock line. The devic-
es carry a built-in 4-bit Device Type Identifier code
(1010) in accordance with the I2C bus definition.
The device behaves as a slave in the I2C protocol,
with all memory operations synchronized by the
serial clock. Read and Write operations are initiat-
ed by a Start condition, generated by the bus mas-
ter. The Start condition is followed by a Device
Select Code and RW bit (as described in Table 2),
terminated by an acknowledge bit.
When writing data to the memory, the device in-
serts an acknowledge bit during the 9th bit time,
following the bus master’s 8-bit transmission.
When data is read by the bus master, the bus
master acknowledges the receipt of the data byte
in the same way. Data transfers are terminated by
a Stop condition after an Ack for Write, and after a
NoAck for Read.
Power On Reset: VCC Lock-Out Write Protect
In order to prevent data corruption and inadvertent
Write operations during Power-up, a Power On
Reset (POR) circuit is included. At Power-up, the
internal reset is held active until VCC has reached
the POR threshold value, and all operations are
disabled – the device will not respond to any
command. In the same way, when VCC drops from
the operating voltage, below the POR threshold
value, all operations are disabled and the device
will not respond to any command. A stable and
valid VCC must be applied before applying any
logic signal.
Figure 3. DIP, SO and LGA Connections
Note: 1. See page 19 (onwards) for package dimensions, and how
to identify pin-1.
E0, E1, E2
Chip Enable
SDA
Serial Data
SCL
Serial Clock
WC
Write Control
VCC
Supply Voltage
VSS
Ground
AI02275
SDA
VCC
M24512
WC
SCL
VSS
3
E0-E2
1
AI04035B
2
3
4
8
7
6
5
SDA
VSS
SCL
WC
E1
E0
VCC
E2
M24512
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M24512-WBN6 | 功能描述:電可擦除可編程只讀存儲器 5.5V 512K (64Kx8) RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| M24512-WBN6P | 制造商:STMicroelectronics 功能描述:EEPROM SERL-I2C 512KBIT 64KX8 3.3V/5V 8PDIP - Rail/Tube |
| M24512-WBN6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 Kbit Serial I睠 Bus EEPROM |
| M24512-WDW6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 Kbit Serial I睠 Bus EEPROM |
| M24512-WDW6G | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 Kbit and 256 Kbit Serial I2C bus EEPROM with three Chip Enable lines |
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